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Re: v6: cursor behaviour with arrow keys

  • To: mathgroup at
  • Subject: [mg77020] Re: v6: cursor behaviour with arrow keys
  • From: Andrew Moylan <andrew.j.moylan at>
  • Date: Thu, 31 May 2007 05:31:23 -0400 (EDT)
  • References: <f3dpfm$ftu$>

On May 28, 3:31 pm, Will Robertson <wsp... at> wrote:
> Hello,
> I seem to be having troubles with the Google Groups interface to this
> newsgroup. Third time's the charm.
> I'm running Mathematica v6 on Windows XP sp2, and I get very weird
> behaviour when using the up/down arrow keys that is quite
> inconsistent. For example, at the moment, I can open a new document,
> paste in the following text to create a cell:
> a := 1
> b := 1
> c := 1
> d := 1
> e := 1
> f := 1
> g := 1
> evaluate it by hitting enter, then click at the end of line "a", hit
> the down arrow twice -- and the cursor will jump to the end of line
> "g". Hitting up twice brings the cursor to the beginning of line "f",
> and then up again takes the cursor back *down* to the end of line "g".
> This cycle will then repeat with further up arrow presses.
> Then pressing down to exit the cell, then left to get the cursor back
> to the end of line "g" resets the cursor behaviour, and I can use any
> combination of up and down arrow presses to move one line up and down
> as I would expect. But then clicking the mouse to move the cursor to
> the end of any of the lines makes a double tap of either the up and
> down arrow keys take the cursor to the end of the cell, rather than
> just up or down a single line.
> I know it's hard to describe here, but I don't have the facilities
> here to make a video screen grab.
> It's all very strange. Can anyone else confirm this behaviour, or is
> it somehow specific to my machine?
> Many thanks,
> Will Robertson
> University of Adelaide

Confirmed. That is really weird. I'm very curious as to how this bug
came about; I hope someone figures it out.

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